• Find the right o-ring for your project. Remember – an O-Ring not squeezed in its application is probably the wrong o-ring.

    O-Ring Gland Calc.
  • Apple Rubber has over 7,000 sizes of O-rings. More sizes added daily.

    O-Ring Size Search
  • Rubber compounds are a mixture of polymers, fillers, antioxitives and curatives. What’s right for your application?

    Material Selection Guide
  • Match your application's composition with the o-ring material offering the best chemical resistance.

    Chemical Compat. Guide
  • Dedicated to helping you design a successful sealing solution.

    Seal Design Guide

Hot Topics

How to Avoid Seal Failure in Low-temperature Environments

Low temperatures raise big concerns for rubber manufacturers. Applications in major industries like automotive, railroad and industrial processing demand peak seal performance in cold, harsh environments. See how we evaluate cold temperature properties through several different test standards.

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Apple Blog

6 of the Biggest Obstacles Manufacturers Should Overcome Today

The ever-changing manufacturing industry faces a number of significant obstacles. Take a look at some of the biggest challenges affecting industry today and see why manufacturers need to adapt in the very near future.

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Who is Apple Rubber?

Meet Apple Rubber -- a leader in rubber compounds and sealing technology. Improving the products we rely upon. Changing the way we live.

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Apple Rubber does more.

Apple Rubber Products Inc.® is a leading designer and manufacturer of o-rings, rubber seals and custom sealing devices. When you need a standard AS568 rubber o-ring, a complex Liquid Silicone Rubber (LSR) prototype seal or medical-grade seals and parts, Apple Rubber has the sealing capabilities to deliver the sealing solution you need.